 | | Report (issue) | | Framboidal clusters of pyrite crystals and natrojarosite...............................................powdery, fracture filling of tiny hexagonal? natrojarosite crystals......................................370 m) were collected for this investigation. Volcanic glass and open spaces of fractures, vesicles,...drill holes located both outside and within the caldera show the effects of hydrothermal alteration. The...(DonnellyNolan and others, 1990). The most recent volcanic activity (about 900 years ago), at Glass Mountain |  | | Report (issue) | | SIMS Potassium-Argon Ages from the Mount Taylor Volcanic Field, New Mexico By PETER W. LIPMAN and HARALD...Structurally Complex Rhyolite Center in Southeastern Oregon By RAY E. WELLS Palladium, Platinum, and Rhodium...(B) Potassium-Argon Ages from the Mount Taylor Volcanic Field, New Mexico, by Peter W. Lipman and Harald...Structurally Complex Rhyolite Center in Southeastern Oregon, by Ray E. Wells (F) Palladium, Platinum, and Rhodium...restricted to, the Vermilion the greenschist-facies volcanic and sedimentary rocks of the Vermilion district |  | | Report (issue) | | 1965. 1966. 1967. 1968. Numerous Federal, State, county, and local agencies and other organizations and...______ North Carolina-__--___--__--__-_-___-._ Oregon._ ______________________________ South Dakota_____________...Montana disturbed belt.________________ Yellowstone National Park and vicinity. __ Snake River Plain______________________...-____ Washington-- _ ____--__-_-_-_______-_--_ Oregon ____-_______----_--_-__-_--__-_Nevada __ _____..._______________________________ Volcanic rocks and processes. _ _______________ Recent volcanic activity. ________________ |  | | Report (issue) | | ________________ Lithium investigations in sedimentary and volcanic rocks ______________________ Phosphate investigation...ββ ββ _______ California _______________-_ββββββ Oregon ___________ββ-ββ--βββ-_-Washington _ββββββββββββββββββ...______________________ Nevada _____________________ Oregon ________________βββ___ Washington _________________...Coordination ___ Water-data storage system _____β__ National Water Data Exchange _____ Urban water program...program ________β__ Water use _____________________ National water quality programs ______ The Regional Aquifer-System |  | | Book (volume) | | glacial Lake Missoula in western Washington State (USA). However, most material deposited from suspension...latter, although they are clearly important in hot volcanic dust suspensions (e.g., ignimbrites). The most...Mississippi Delta on the south east coast of the USA, showing a sediment plume issuing from the mouth...Tanganyika), whereas those in areas containing volcanic rocks and old sediments are sand- and mud-rich...transport for Nahal Yatir, Israel and Oak Creek, USA (right) showing the difference between sediment fluxes |
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